207835719

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5477}}^1$

素因数の和:5639

約数の個数: 32

約数和(自身を含む): 343580160

約数和(自身を除く): 135744441

約数列:

[1, 3, 7, 13, 21, 39, 91, 139, 273, 417, 973, 1807, 2919, 5421, 5477, 12649, 16431, 37947, 38339, 71201, 115017, 213603, 498407, 761303, 1495221, 2283909, 5329121, 9896939, 15987363, 29690817, 69278573, 207835719]

約数ペア:

[(1, 207835719), (3, 69278573), (7, 29690817), (13, 15987363), (21, 9896939), (39, 5329121), (91, 2283909), (139, 1495221), (273, 761303), (417, 498407), (973, 213603), (1807, 115017), (2919, 71201), (5421, 38339), (5477, 37947), (12649, 16431)]